The method of semantics expression of geospatial entity classes based on ontology is put forward.
提出了本体表达地理空间实体类型语义的方法；
Semantic similarity among geospatial entity classes is an important theoretic problem in categorical database generalization.
地理空间实体类型语义相似度对于类型数据库综合具有重要理论意义。
Semantic similarity among geospatial entity classes is an important theoretic problem in categorical database generalization.
地理空间实体类型语义相似度对于类型数据库综合具有重要理论意义。
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